... Specification:1 Standard consistence(%):38-402 Start of setting(min):8-143 End of setting(min):13-264 (2h)Bending ... high purity Gypsum ore as raw material, has many kinds of Gypsum Powder in different uses, building, moulding, decorationOur ... is high quality alabaster(gypsum hemigydrates) from Yimeng Mountain and plaster of Paris processed with crushing, grinding, steamed, calcined, ect.The main ...